NODE_WIDTH = 18
NODE_HEIGHT = NODE_WIDTH

SCREEN_WIDTH = 1170
SCREEN_HEIGHT = 630

assert SCREEN_WIDTH % NODE_WIDTH == 0
assert SCREEN_HEIGHT % NODE_HEIGHT == 0

RED = (255, 0, 0)
BLUE = (0, 0, 255)
BLACK = (0, 0, 0)
GREEN = (0, 255, 0)
LINE_COLOR = (52, 52, 52)
BG_COLOR = (23, 23, 23)
FONT_COLOR = (234, 235, 220)


RIGHT = 'right'
LEFT = 'left'
UP = 'up'
DOWN = 'down'

